December weather forecastDeltona, FL

December
Weather in December
December experiences the advent of the mild winter season in Deltona. The atmosphere becomes festive, and the weather compliments outdoor activities despite occasional rain. The significant decrease in the average high temperature is compensated with the city’s cultural richness. With an average high temperature of 72°F (22.2°C) and an average low of 56.3°F (13.5°C), December has the lowest temperatures. The amount of daylight starts to decrease, marking the shortest daylight hours of 10.3 hours.Temperature
December brings an average high-temperature of a pleasant 72°F (22.2°C), nearly identical to the preceding month. An average nighttime temperature of 56.3°F (13.5°C) is witnessed throughout December.Humidity
In Deltona, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. In Deltona, during the entire year, the rain falls for 196.6 days and collects up to 36.54" (928mm) of precipitation.Snowfall
In Deltona, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December in Deltona, Florida, sunrise is at 7:01 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:38 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
In Deltona, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 5 in December translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deltona, FL
- Average high temperature in December: 72°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (67.5°F).
- Average low temperature in December: 56.3°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).
Average pressure in December
Deltona, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Deltona, FL
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Deltona, FL
- Average humidity in December: 76%
The months with the highest relative humidity are August and September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Deltona, FL
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is August (5.94").
The driest month (with the least rainfall) is March (1.34").
Average rainfall days in December
Deltona, FL
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is August (26.6 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in December
Deltona, FL
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Deltona, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Deltona, FL
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Deltona, FL
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in December
Deltona, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Deltona, FL
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in December
Deltona, FL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





